Square meal

The phrase "square meal" typically refers to a satisfying and well-balanced meal that provides all the necessary nutrients for a person's nourishment and energy requirements. It is a term often used to describe a substantial and complete meal that includes servings of protein, carbohydrates, fruits, vegetables, and sometimes dairy products. The origins of the phrase are uncertain, but it may have originated from the idea of a square table set properly for a satisfying meal.